JP2001240143A - Packaging material and packing method using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a packing method wherewith packing can be easily and quickly done. SOLUTION: The packing method using packaging materials 2a, 2b comprises steps of opening an upper lid 102 of an outer box 10, bringing first plane holders 4 of the packaging materials 2a, 2b into contact with respective sidewall internal faces which face each other of the outer box 10, also opening respective second plane holders 5, putting in an object A to be packed through an opening 103 of the box 10 to have it held on a third plane holding part 64, then closing the second plane holder 5 to bring it into contact with a second plane A2 of the object A, and finally closing the upper lid 102 of the box 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging material for holding or transporting or storing articles such as home appliances, OA equipment, precision equipment, and the like, and a packaging method using the same. The present invention relates to a packaging material that can be quickly performed and a packaging method using the same.

[0002]

2. Description of the Related Art Conventionally, home electric appliances such as digital video disk drives, facsimile machines, small liquid crystal television sets, OA equipment such as overhead projectors and notebook personal computers, or precision instruments such as chemical analyzers and physical measuring instruments. Such articles are partially or entirely covered with a foamed polystyrene, pulp mold, or cardboard packaging material, housed in an outer box, and transported by a vehicle such as an automobile or a train.

[0003] In such a conventional packing operation, a procedure is employed in which the object to be packed is held by a packaging material, and the object to be packed and the packaging material are grasped together and placed in an outer box.

[0004]

However, when an object to be packaged and a packaging material are held together and placed in an outer box, the outer packaging having little gap with the packaging material is maintained while being held by the packaging material. It is very difficult to put the product into the box opening, and if there is a gap between the packing material and the outer box opening that allows the hands of the operator, the packing object will rattle after packing, causing damage. May give. In particular, when packing a large article or a heavy article, such a problem is remarkable.

[0005] It is an object of the present invention to provide a packaging material capable of performing packaging work easily and quickly and a packaging method using the same.

[0006]

According to the present invention, there is provided, according to the present invention, a packaging material made of a thermoplastic resin sheet for holding an object to be packaged in an outer box. A first surface including a first surface holding unit configured to hold a first surface of an object to be packed;
A second surface holder including a surface holder and a second surface holder that is rotatably mounted on the first surface holder and holds a second surface adjacent to the first surface of the packing object. And a third surface holder including a third surface holder that holds a third surface adjacent to the first surface of the packing object, wherein the first surface holder, the second surface holder, At least one of the buffer concave portion or the buffer convex portion is integrally formed with at least one of the third surface holders, and the rotating portion between the first surface holder and the second surface holder has A packaging material located on the opening side of the outer box is provided.

Further, according to the present invention, there is provided a packaging method using at least the packaging material according to claim 1, wherein an upper lid of the outer box is opened, and the first packaging material is placed on an inner surface of a side wall facing the outer box. The second surface holder is opened while the second surface holder is opened, the object to be packed is inserted through the opening of the outer box and held by the third surface holder, and then the second surface holder is closed. A packing method is provided in which the upper lid of the outer box is closed to the second surface of the packing object.

[0008]

In the packing material and the packing method of the present invention, the packing material is housed in an outer box to hold the object to be packed. In this packing operation, first, the upper lid of the outer box is opened and the outer box is closed. The first surface holders of the packaging material are respectively addressed to the inner surfaces of the facing side walls, and the respective second surface holders are opened.
Then, in this state, the object to be packed is inserted from the opening of the outer box, and the object to be packed is held by the third surface holding unit. When the object to be packed is held by the third surface holding unit, the second surface holding body is closed, and is addressed to the second surface of the object to be packed. Finally, the upper lid of the outer box is closed.

That is, according to the present invention, instead of a procedure in which a packaging material is mounted on an object to be packed and then put into an outer box, only the object to be packed is gripped with the packaging material set in the outer box. Therefore, it is not necessary to pay attention to the holding state between the object to be packed and the packaging material, and workability is greatly improved even if the object is large or heavy.

In addition, when the object to be packed is put in the outer box, even if the gap between the packaging material and the opening of the outer box is narrow, it does not affect the workability at all, so that the work of putting the object to be packed becomes easier. .

The packing material and the packing method using the same according to the present invention can be suitably used for packing and packing operations of, for example, home electric appliances, OA equipment, precision equipment and the like.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on an embodiment shown in the drawings. 1 to 5 are views showing an embodiment of a packing method using the packing material of the present invention. FIG. 1 is a perspective view showing a state before the packing object is put in, and FIG. FIG. 3 is a perspective view, and FIG.
FIG. 4 is a cross-sectional view (corresponding to the line IV-IV in FIG. 3) of the same after packing, and FIG. 5 is a cross-sectional view of the same after packing (the line V-V in FIG. 3). FIG. 6 is a perspective view showing an embodiment of the packaging material of the present invention.

First, the packaging material 2 according to the present embodiment
The configuration of a and 2b will be described. As shown in FIGS. 1 to 3, the packaging material 2a according to the present embodiment shown in FIG. 6 is used in a pair with the packaging material 2b having a line-symmetrical shape, and is, for example, a packaging object composed of a rectangular parallelepiped DVD device or the like. Used to package item A. In addition, since one packaging material 2a is formed in a line-symmetrical shape with respect to the other packaging material 2b, the packaging material 2a will be mainly described in detail below.

The wrapping material 2a is a wrapping material for wrapping one side (for example, the left side in FIGS. 1 to 3) of the object A to be packed. A first surface holder 4 for holding the first surface).
A second side, which is located on one side of the first surface holder 4 and holds the upper surface A2 (corresponding to the second surface of the present invention) of the packing object A.
The bottom surface A3 of the packing object A is formed integrally with the surface holder 5 and the first surface holder 4 (corresponding to the third surface of the present invention).
And a third surface holding member 6 that holds the third surface holding member.

The first surface holder 4 and the second surface holder 5 are
The hinges 8 are provided so as to be rotatable with each other. The hinge portion 8 can be formed, for example, by molding a linear thin portion when the first surface holder 4 and the second surface holder 5 are integrally formed.

The first surface holder 4 has reinforcing ribs 4 to be described later.
A stepped first surface holding portion 42 is formed inside each of the four, and the first surface holding portion 42 is a portion that comes into contact with the packing object A. Although the formation position of the first surface holding portion 42 is not particularly limited, it is preferable that the first surface holding portion 42 is formed so as to be widely dispersed in a range for holding the packing object A.

The first surface holder 4 has a first inclined surface 48 inclined at an angle of about 45 ° with respect to the first surface holder 42.
Are integrally formed, and the first surface holder 4 further includes
A folded reinforcing rib 44 for holding a part of the other side surface of the packing object A is integrally formed. Steps 442 are provided on the outer periphery of the reinforcing ribs 44 to further improve the rigidity of the reinforcing ribs 44.

The second surface holder 5 is formed integrally with a second inclined surface 58 on the opposite side of the first inclined surface 48 with the hinge portion 8 interposed therebetween. The second inclined surface 58 is in a state where the second surface holder 5 has been turned to the opposite side (the state shown in FIG.
This is also referred to as “a state in which the second surface holder 5 is rotated by −90 °”. ), The first surface holding member 4 is formed to be inclined at an angle of about 45 ° with respect to the first surface holding portion 42. as a result,
When the second surface holder 5 rotates about 90 ° with respect to the first surface holder 4 about the hinge portion 8 as the rotation center, the first inclined surface 48 surrounds the left end surface of the packing object A. And the second inclined surface 58
(Hereinafter referred to as “second
The state where the surface holder 5 is closed ". ).

A fitting projection 482 is integrally formed on the first inclined surface 48, and the fitting projection 48 is formed on the second inclined surface 58.
A fitting concave portion 582 that can be fitted to 2 is integrally formed. The fitting convex portion 482 and the fitting concave portion 582 are formed such that one of the first surface holding member 4 and the second surface holding member 5 is about 90
When rotated, they are fitted to each other, whereby the rigidity in the twisting direction can be increased.

The second surface holder 5 has the reinforcing ribs 4 described above.
A reinforcing rib 54 having a cross-sectional structure similar to that of No. 4 is integrally formed. The second surface holding portion 55 formed of a step formed in the vicinity of the inner wall surface of the reinforcing rib 54 is formed such that the second surface holding member 5 is about 90 degrees with respect to the first surface holding member 4 about the hinge portion 8 as a rotation center. In the pivoted state, the upper surface located at the corner of the left end of the packing object A is held. Note that a step 542 is provided on the outer periphery of the reinforcing rib 54 to further improve the rigidity of the reinforcing rib 54.

The first surface holder 4 is integrally formed with a buffer recess 444, and the second surface holder 5 is integrally formed with a second buffer protrusion 544.

As shown in FIG. 3, the second buffering protrusion 544 formed on the second surface holder 5 does not come into contact with the packing object A in the packing state as shown in FIG. If the package object A is dropped by any chance,
By contacting with No. 4, shock can be absorbed. Further, in the present embodiment, in the normal state, the second surface holder 5 is formed into an uneven shape so as to abut slightly against the packing object A, and thus any one of the inner surfaces of the second surface holder 5 is used. Also, by configuring so as not to come into contact with any surface of the packing object A, resonance during transportation of the packing object A is prevented, and damage of the packing object A is prevented.

In this embodiment, one end (the lower end in FIG. 6) of the first surface holder 4 is provided with a reinforcing rib 62 constituting the third surface holder 6 of the present invention, and an inner wall surface of the reinforcing rib 62 is provided with:
A third surface holding portion 64 for holding the bottom surface A3 of the packing object A is formed. The third surface holding portion 64 holds the bottom surface A3 of the packing object A as shown in FIG. 3, but works between the packing object A and the first surface holder 4 in the packing state shown in FIG. The gap S is formed such that a human hand can enter.

In the present invention, the first surface holding portion 42,
The cross-sectional shape of the second surface holding portion 55 and the third surface holding portion 64 is not particularly limited, and may be, for example, a circular shape, an elliptical shape, a polygonal shape of a triangle or more, or a combination thereof, or along the side of the article. Various shapes such as a ridge shape can be given. In the present embodiment, these cross-sectional shapes are formed by adding a circular arc shape to a square or a rectangular shape. Incidentally, the first surface holding member 4, the second surface holding member 5, and the third surface holding member 6 are each a single-layer sheet made of a thermoplastic resin, or a multilayer in which two or more of these single-layer sheets are laminated. The sheet can be formed by integrally forming the sheet into a concavo-convex shape by, for example, vacuum forming, vacuum pressure forming, press forming, or the like. As the thermoplastic resin, for example, polypropylene, polyethylene, polyvinyl chloride,
Polyethylene terephthalate, ABS, polystyrene,
Alternatively, a mixture thereof is used.

At this time, the thermoplastic resin may be mixed with a synthetic resin that self-disintegrates. Examples of such self-disintegrating synthetic resins include cellulose acetate, polycaprolactone, polylactic acid, homopolymers of lower fatty acids or copolymers of two or more lower fatty acids, and starch of 5 to 5%.
A synthetic resin mixed with 50% by weight is exemplified.
A mixture of two or more of these resins may be used. Alternatively, a mixture of these self-disintegrating synthetic resins and other synthetic resins may be used.

The thickness of such a single-layer sheet or a multilayer sheet is preferably 0.3 to 3 mm, more preferably 0.1 to 3 mm.
5 to 1.5 mm. If the thickness is less than 0.3 mm, the rigidity tends to be insufficient, and if it exceeds 3 mm, the shapeability during molding tends to be poor.

Next, a packing method will be described. To pack the packing object A in the outer box 10 using the packing materials 2a and 2b configured as described above, first open the upper lid 102 of the outer box 10 as shown in FIG. For each of the inner surfaces,
The above-mentioned packaging materials 2a and 2b are set. This packaging material 2
As shown in the figure, the sets of a and 2b are directed to the first surface holders 4 and 4 of the packaging materials 2a and 2b on the inner surface of the side wall facing the outer box 10, and the respective second holders 5 and 5 are provided. 5 is open.

Next, as shown in FIG. 2, the object to be packed A is held and put into the outer box 10 through the opening 103 from above the packaging materials 2a and 2b are set. At this time,
The bottom surface A3 of the packing object A is placed so as to be placed on the third surface holding portions 64 of the packaging materials 2a and 2b, respectively. As shown in FIG. 2, when the packing object A is put in the outer box 10, the second holders 5 and 5 of the packing materials 2a and 2b are closed, and finally, the upper lid 102 of the outer box 10 is closed and fixed. Thereby, each of the 2nd surface holders 5 and 5 of packing materials 2a and 2b will automatically face upper surface A2 of packing object A.

As described above, according to the packaging material of the present embodiment and the packaging method using the same, the packaging material A
This is not a procedure in which the packaging materials 2a and 2b are set in the outer box 10 in advance, and only the packing object A is gripped in this state. To be packed, the packing object A and the packing materials 2a, 2
It is not necessary to pay attention to the holding state with b, and even if the object is large or heavy, workability is remarkably improved.

When the object A to be packed is placed in the outer box 10, in the present invention, the gap S between the operator's hand and the packing material 2a, 2b affects the workability, and the packing material 2a, 2b and the outer box 10 Even if the gap with the opening 103 is small, it does not affect workability at all. Therefore, as shown in FIG. 3, if a gap S is provided in the packing materials 2 a and 2 b to allow a worker's hand to enter, the packing object A is placed just before the packing object A is placed on the third surface holding portion 64. It is possible to keep the object A, so that not only the charging operation becomes easier, but also the packing object A can be prevented from being broken during the packing operation.

The embodiments described above are described for the purpose of facilitating the understanding of the present invention, and are not described for limiting the present invention. Therefore, each element disclosed in the above embodiment is intended to include all design changes and equivalents belonging to the technical scope of the present invention.

For example, in the embodiment described above, the third surface holder 6 is formed integrally with the first surface holder 4, but the present invention is not limited to this, and is schematically illustrated in FIG. As shown in the drawing, a hinge portion 8 formed between the first surface holder 4 and the second surface holder 5 is provided between the third surface holder 6 and the first surface holder 4. The third surface holder 6 may be configured to be rotatable with respect to the first surface holder 4 by forming the hinge portion 8a. At this time, by setting the length L of the third surface holding member 6 to be substantially the same as that of the second surface holding member 5, the
The stability of the packaging materials 2a, 2b during operation is improved.
Can be prevented from falling down.

In addition to using the packaging material of the present invention as a pair, for example, as shown in FIG. 7 (B), the third surface holding member 6 has a length capable of holding both sides of the bottom surface of the packing object A. Thus, the packaging object A can be held by one packaging material 2a.

[Brief description of the drawings]

FIG. 1 is a perspective view (before charging an object to be packed) showing an embodiment of a packing method using a packing material of the present invention.

FIG. 2 is a perspective view (after loading an object to be packed) showing an embodiment of a packing method using the packing material of the present invention.

FIG. 3 is a cross-sectional view (after packing) showing an embodiment of a packing method using the packing material of the present invention, and is a cross-sectional view corresponding to line III-III in FIG. 2;

FIG. 4 is a cross-sectional view (after packing) showing an embodiment of a packing method using the packing material of the present invention, and is a cross-sectional view corresponding to line IV-IV in FIG. 3;

5 is a cross-sectional view (after packing) illustrating an embodiment of a packing method using the packing material of the present invention, and is a cross-sectional view corresponding to line VV in FIG. 3;

FIG. 6 is a perspective view showing an embodiment of the packaging material of the present invention.

FIG. 7 is a schematic view showing another embodiment of the present invention.

[Explanation of symbols]

 A: packing object A1: top surface (first surface) A2: side surface (second surface) A3: bottom surface (third surface) 2a, 2b: packaging material 4: first surface holder 42: first surface holder 44 ... Reinforcing ribs 444... Buffering recesses 48. First inclined surface 5. Second surface holder 54. Reinforcing ribs 544 ... Second buffering protrusions 55. Second surface holding portions 58. Surface holder 62 ... Reinforcement rib 64 ... Third surface holder 8 ... Hinge 10 ... Packing box 102 ... Top lid 103 ... Opening

Claims (2)

[Claims] 1. A packaging material made of a thermoplastic resin sheet for holding an object to be packed in an outer box, the first material including a first surface holding portion for holding a first surface of the object to be packed. A second surface holder including a one surface holder and a second surface holder that is rotatably mounted on the first surface holder and holds a second surface adjacent to the first surface of the packing object. A body, and a third surface holder including a third surface holder that holds a third surface adjacent to the first surface of the object to be packed, wherein the first surface holder and the second surface holder And at least one of the third surface holder and at least one buffering concave portion or buffering convex portion are integrally formed, and a rotating portion between the first surface holder and the second surface holder is provided. A packaging material located on the opening side of the outer box. 2. A packaging method using at least the packaging material according to claim 1, wherein an upper lid of the outer box is opened, and the first surface holder of the packaging material is directed to an inner surface of a side wall facing the outer box. Opening the second surface holder together with the object to be packed through the opening of the outer box and holding the object on the third surface holder, and then closing the second surface holder and removing the object to be packed. A packing method, characterized by closing the upper cover of the outer box on two sides.